#0D172E#0D172E

#0D172E is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.9% C 0.048 H 264.9°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#0D172E
RGB	rgb(13, 23, 46)
HSL	hsl(222, 56%, 12%)
HSV	hsv(222, 72%, 18%)
CMYK	cmyk(71.7%, 50%, 0%, 82%)
CIE-LAB	lab(8.09, 4.45, -16.83)
CIE-LCH	lch(8.09, 17.41, 284.80°)
OKLab	oklab(20.92% -0.0043 -0.0479)
OKLCH	oklch(20.92% 0.048 264.9)
XYZ	xyz(0.9653, 0.8955, 2.7062)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D172E #2E240D

analogous

#0D282E #0D172E #140D2E

triadic

#0D172E #2E0D17 #172E0D

tetradic

#0D172E #2E0D28 #2E240D #0D2E14

square

#0D172E #2E0D28 #2E240D #0D2E14

split-complementary

#0D172E #2E140D #282E0D

monochromatic

#070C18 #070C18 #0D172E #1A2F5E #28478D

Accessibility & contrast

On white

17.81

#0D172E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0D172E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D172E

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D172E	#FFFFFF	#000000	##FFFFFF
##0D172E	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D192F

Deuteranopia (green-blind)

#09162E

Tritanopia (blue-blind)

#001C20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0d172e;
/* rgb */ color: rgb(13, 23, 46);
/* oklch */ color: oklch(20.9% 0.048 264.9);

Tailwind

colors: {
  custom: {
    50: '#4f5367',
    500: '#0d172e',
    950: '#000000',
  },
}

SCSS

$custom: #0d172e;
$custom-light: #4f5367;
$custom-dark: #000000;

JSON

{
  "hex": "#0d172e",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 46
  },
  "hsl": {
    "h": 221.818,
    "s": 55.932,
    "l": 11.569
  },
  "oklch": {
    "l": 0.20916,
    "c": 0.04805,
    "h": 264.9
  },
  "luminance": 0.00896
}

Semantic roles & 50–950 ramp

primary

#0D172E

secondary

#69572E

accent

#B249DF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0D172E

Body copy rendered with the generated semantic roles for this colour.

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